Search Results - "McMorrow, DF"

Evolution of the Magnetic Excitations in NaOsO3 through its Metal-Insulator Transition by Vale, JG, Calder, S, Donnerer, C, Pincini, D, Shi, YG, Tsujimoto, Y, Yamaura, K, Sala, M Moretti, van den Brink, J, Christianson, AD, McMorrow, DF

“…The temperature dependence of the excitation spectrum in NaOsO3 through its metal-to-insulator transition (MIT) at 410 K has been investigated using resonant…”
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Antiferromagnetic order induced by an applied magnetic field in a high-temperature superconductor by Lake, B, Rønnow, H. M, Christensen, N. B, Aeppli, G, Lefmann, K, McMorrow, D. F, Vorderwisch, P, Smeibidl, P, Mangkorntong, N, Sasagawa, T, Nohara, M, Takagi, H, Mason, T. E

“…One view of the high-transition-temperature (high-Tc) copper oxide superconductors is that they are conventional superconductors where the pairing occurs…”
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Quantum Phase Transition of a Magnet in a Spin Bath by Rønnow, H. M, Parthasarathy, R, Jensen, J, Aeppli, G, Rosenbaum, T. F, McMorrow, D. F

“…The excitation spectrum of a model magnetic system, LiHoF₄, was studied with the use of neutron spectroscopy as the system was tuned to its quantum critical…”
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Spins in the Vortices of a High-Temperature Superconductor by Lake, B., Aeppli, G., Clausen, K. N., McMorrow, D. F., Lefmann, K., Hussey, N. E., Mangkorntong, N., Nohara, M., Takagi, H., Mason, T. E., Schröder, A.

“…Neutron scattering is used to characterize the magnetism of the vortices for the optimally doped high-temperature superconductor La2-xSrxCuO 4(x = 0.163) in an…”
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Spin correlations in Ho2Ti2O7: a dipolar spin ice system by Bramwell, S T, Harris, M J, den Hertog, B C, Gingras, M J, Gardner, J S, McMorrow, D F, Wildes, A R, Cornelius, A L, Champion, J D, Melko, R G, Fennell, T

“…The pyrochlore material Ho2Ti2O7 has been suggested to show "spin ice" behavior. We present neutron scattering and specific heat results that establish…”
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Soft X-ray resonant diffraction study of magnetic and orbital correlations in a manganite near half doping by THOMAS, K. J, HILL, J. P, SAWATZKY, G, VAN VEENENDAAL, M, GRENIER, S, KIM, Y-J, ABBAMONTE, P, VENEMA, L, RUSYDI, A, TOMIOKA, Y, TOKURA, Y, MCMORROW, D. F

“…We have utilized resonant x-ray diffraction at the Mn L(II,III) edges in order to directly compare magnetic and orbital correlations in Pr0.6Ca0.4MnO3…”
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Three-dimensionality of field-induced magnetism in a high-temperature superconductor by Lake, B, Lefmann, K, Christensen, N. B, Aeppli, G, McMorrow, D. F, Ronnow, H. M, Vorderwisch, P, Smeibidl, P, Mangkorntong, N, Sasagawa, T, Nohara, M, Takagi, H

“…Many physical properties of high-temperature superconductors are two-dimensional phenomena derived from their square-planar CuO2 building blocks. This is…”
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Spin dynamics of the 2D spin 1/2 quantum antiferromagnet copper deuteroformate tetradeuterate (CFTD) by Rønnow, H M, McMorrow, D F, Coldea, R, Harrison, A, Youngson, I D, Perring, T G, Aeppli, G, Syljuåsen, O, Lefmann, K, Rischel, C

“…The magnetic excitation spectrum in the two-dimensional (2D) S = 1/2 Heisenberg antiferromagnet copper deuteroformate tetradeuterate has been measured for…”
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Spin gap and magnetic coherence in a clean high-temperature superconductor by Lake, B, Aeppli, G, Mason, T. E, Schröder, A, McMorrow, D. F, Lefmann, K, Isshiki, M, Nohara, M, Takagi, H, Hayden, S. M

“…A notable aspect of high-temperature superconductivity in the copper oxides is the unconventional nature of the underlying paired-electron state. A direct…”
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X-Ray Resonant Scattering Study of the Quadrupolar Order in UPd{sub 3} by McMorrow, D. F., McEwen, K. A., Steigenberger, U., Ronnow, H. M., Yakhou, F.

“…Quadrupolar ordering in a 5f electron system has been observed directly for the first time, using x-ray scattering techniques. In UPd{sub 3} at low…”
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High-Temperature Magnetic Correlations in the 2D S = 1 / 2 Antiferromagnet Copper Formate Tetradeuterate by Rønnow, H. M., McMorrow, D. F., Harrison, A.

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Multiparticle states in the S = 1 chain system CsNiCl3 by Kenzelmann, M, Cowley, R A, Buyers, W J, Coldea, R, Gardner, J S, Enderle, M, McMorrow, D F, Bennington, S M

“…A continuum of magnetic states has been observed by neutron scattering from the spin-1 chain compound CsNiCl3 in its disordered gapped one-dimensional phase…”
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K-edge resonant x-ray magnetic scattering from a transition-metal oxide: NiO by Hill, J. P., Kao, C.-C., McMorrow, D. F.

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Magnetic structures of highly frustrated pyrochlores by Harris, M.J., Bramwell, S.T., Zeiske, T., McMorrow, D.F., King, P.J.C.

“…In the pyrochlore lattice, the magnetic ions sit at the corners of a framework of corner-sharing tetrahedra. It is well known that this lattice results in a…”
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Neutron scattering study of the field-induced soliton lattice in CuGeO3 by Ronnow, HM, Enderle, M, McMorrow, DF, Regnault, L, Dhalenne, G, Revcolevschi, A, Hoser, A, Prokes, K, Vorderwisch, P, Schneider, H

“…CuGeO3 undergoes a transition from a spin-Peierls phase to an incommensurate phase at a critical field of H(c) approximately 12.5 T. In the high-field phase a…”
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Added flexibility in triple axis spectrometers: the two RITAs at Risø by Lefmann, K., McMorrow, D.F., Rønnow, H.M., Nielsen, K., Clausen, K.N., Lake, B., Aeppli, G.

“…The cold-neutron triple-axis spectrometer RITA-1 at Risø has been operational for about three years, and in the near future an improved version, RITA-2, will…”
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Simulations and experiments on RITA-2 at PSI by Klausen, S.N., Lefmann, K., McMorrow, D.F., Altorfer, F., Janssen, S., L thy, M.

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The field-induced soliton phase of CuGeO3 by RONNOW, H

“…The quasi-1D S = 1/2 antiferromagnet CuGeO3 undergoes a spin-Peierls transition to a dimerised singlet quantum ground state, with S = 1 carrying pairs of…”
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Magnetic-field tuning of quantum critical fluctuations in CeCu5.9Au0.1 by Schroeder, A., Aeppli, G., McMorrow, D.F., Bucher, E.

“…The magnetic field dependence of the quantum critical fluctuations close to the antiferromagnetic transition in CeCu5.9Au0.1 is investigated directly by…”
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Probing spin frustration in high-symmetry magnetic nanomolecules by inelastic neutron scattering by Garlea, V. O., Nagler, S. E., Zarestky, J. L., Stassis, C., Vaknin, D., Kögerler, P., McMorrow, D. F., Niedermayer, C., Tennant, D. A., Lake, B., Qiu, Y., Exler, M., Schnack, J., Luban, M.

“…Low temperature inelastic neutron scattering studies have been performed to characterize the low energy magnetic excitation spectrum of the magnetic…”
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